BRS1 mediates plant redox regulation and cold responses
BACKGROUND: Brassinosteroid-insensitive 1 suppressor 1 (BRS1) is a serine carboxypeptidase that mediates brassinosteroid signaling and participates in multiple developmental processes in Arabidopsis. However, little is known about the precise role of BRS1 in this context.
RESULTS: In this study, we analyzed transcriptional and proteomic profiles of Arabidopsis seedlings overexpressing BRS1 and found that this gene was involved in both cold stress responses and redox regulation. Further proteomic evidence showed that BRS1 regulated cell redox by indirectly interacting with cytosolic NADP + -dependent isocitrate dehydrogenase (cICDH). One novel alternative splice form of BRS1 was identified in over-expression mutants brs1-1D, which may confer a new role in plant development and stress responses.
CONCLUSIONS: This study highlights the role of BRS1 in plant redox regulation and stress responses, which extends our understanding of extracellular serine carboxypeptidases.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2021 |
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Erschienen: |
2021 |
Enthalten in: |
Zur Gesamtaufnahme - volume:21 |
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Enthalten in: |
BMC plant biology - 21(2021), 1 vom: 11. Juni, Seite 268 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Zhang, Dongzhi [VerfasserIn] |
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Links: |
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Themen: |
Arabidopsis |
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Anmerkungen: |
Date Completed 25.06.2021 Date Revised 25.06.2021 published: Electronic Citation Status MEDLINE |
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doi: |
10.1186/s12870-021-03045-y |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM326645802 |
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520 | |a BACKGROUND: Brassinosteroid-insensitive 1 suppressor 1 (BRS1) is a serine carboxypeptidase that mediates brassinosteroid signaling and participates in multiple developmental processes in Arabidopsis. However, little is known about the precise role of BRS1 in this context | ||
520 | |a RESULTS: In this study, we analyzed transcriptional and proteomic profiles of Arabidopsis seedlings overexpressing BRS1 and found that this gene was involved in both cold stress responses and redox regulation. Further proteomic evidence showed that BRS1 regulated cell redox by indirectly interacting with cytosolic NADP + -dependent isocitrate dehydrogenase (cICDH). One novel alternative splice form of BRS1 was identified in over-expression mutants brs1-1D, which may confer a new role in plant development and stress responses | ||
520 | |a CONCLUSIONS: This study highlights the role of BRS1 in plant redox regulation and stress responses, which extends our understanding of extracellular serine carboxypeptidases | ||
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700 | 1 | |a Xu, Shengbao |e verfasserin |4 aut | |
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